Island



W. C. HUNTOON.

COLLAPSIBLE TUBE.

APPLICATION FILED MAR. 26. 1919.

1,813,189. PafenredAug.12,1919.

i To all/whom it may concer/n:

UMTED STATES PATENT OFFICE.

C. HUNTOON, 0F PROVIDENCE, RHODE ISLAND.

coLLArsrnLn Turn Be it known that 1, W1LLIAM i C. Hun- TooN, of Providence, in the county of Brovi-` dence and State of Rhode Island, have invented a new and useful Improvement in Collapsible Tubes, of which thefollowing' is a specification.

This invention relates to certain new and useful improvements in a collapsible tube, commonly used for containing tooth paste, shaving cream, paint, etc., and more particularly to the manner of connecting or attachingthe closure cap thereto.

he princi al object of the invention re-4 sides in the ormation or mounting of the p hinge knuckles on the tubes to which the hinge, that carries the closure cap, is pivoted. A further and equally important obj ect is to rovide means for hingedly connecting the c osure cap to the Vtube to prevent loss or mislayingA of the cap, said means having a" swivel connection with the cap, so that the latter may readil be rotated to engage its threads with those on the tube."

Further objects will appear as the description progresses and those features on which rotectlon is desired will be succinctly ldefine in the claims.

In the drawings Figure 1 in an elevation ofthe upper portion of a collapsible tube embod ng the present invention in its preferred grin.

Fig. 2 is a horizontal section therethrough on line 2--2 of Fig.1.

Fig. 3 is a slmilar view through a modi- `fied form of .the invention depicting a pair of hinge knuckles Fig. 4 1s a-view similanto Fig. 1 of a further modled form of the invention and showing-.the closure capswung-.open on. itsl hinge mounting, and

Fig..5 .is a top plan view. thereof.

Referrmg more in detail to the drawing, the numeral 1 designates the collapsible tube having the` cap 2 threaded on the discharge end 3 in the usual manner by continued screw threads, or the discharge end may have an interrupted thread 4, as deplcted in Figs. 4 and 5, which provides two diametrically opposite lugs having 'their lower edges inclined downwardly for engagement' by a pair of diametricallyt opposed lugs 5 extending inwardly from the side wall of 'the cap 6.

The closure cap is formed with a polygonal perimeter to be grasped in applying or Specification of Letters Patent.

tion since 1t is practicall Patented Aug. 12, 1919.

elimination nica Maren 2e, 191e. `serial No. $5,256.A

removing the cap from the tube body, and underlying this gripping portion the cap is formed with an annular groove 7 in which engage the `sides of an elongated loop 8. This loop is formed from a single length of wire bent into U form and having its arms brought together for a short distance, as at `9, and then deflected outwardly and again inturned to provide opposed trunnions `10.

seA

These trunmons are adapted to be sprung apart to receive the hinge knuckle I11 therebetween and enter a bearing opening 12 extendin through the knuckle. The cap is thus a apted to turn freely in its confining loop 8 to engage and disengage the threads of the discharge end or nozzle of the tube, the loop riding on the cap or in the roove lduring such lengthwise movement oft ecap on the tube. The outturned portions 13 constitute shoulders for engaging the knuckle and limiting the swinging movement of the wire hinge.

The formation of the hinge knuckle comprises a ve important part of this invensolder a knuckle on the tul e owing to the quality of the metal from which these tubes are made. To this end the knuckle is formed integral with the tube and this knuckle may be formed in this direct man- .ner by any one of several methods employed m forming the tubes. Furthermore, the knuckle may be formed in two parts, z'. c. the tube may have a pair of knuckles formed inte al therewith.

. 's latter form of the invention is deimpossible to' picted in Fig. 3 wherein the pair of knuckles I 14.- have bearings 15 to receive the outturned' ends. 16 of the hinge member which as in the former instance, comprises a loop 8 and a contracted portion 9, the outturned ends 16 being carried directly on said portion 9.

The cap is securely attached to the tube without in any mapner interfering with 'the lacement of the same.

free and easy` turn g of the cap incidental to' the removal and@ from and von the tu The annoyance of looking for the cap after using the tube is obviated'; the construction is simple and inexpensive; and the sanitary conditions about the mouth of the tube are capable i of easy maintenance.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent is 1. A collapsibler tube composed of acylin- Y spaced perforated hinge knuckle formed integral with said end closing Wall and located in relation to the neck, and a Wire loop loosely connected to the base of the cap so as to allow said cap to freely rotate, the ends of the loop being'sprung into the knuckle perforation.

2. A collapsible tube composed of a body having an integral yend closing Wall, a neck extending out from said Wall, a closure cap Lamme for the neck, a perforated hinge knuckle formed integral with the end closing Wall in the formin of the tube and extending upwardly there rom and means to connect the cap to the knuckle including a bail rotatably encircling the cap and having its ends enga ed in the perforation of the knuckle.

n testimony whereof I have signed my name to this specification in the presence of two subscribing Witnesses.

WILLIAM C. HUNTOGN.

Witnesses. l

ADA E. HAGERTY, J. A. MILLER. 

